ARM: tegra: defconfig updates

Update tegra_defconfig to:

* Enable CONFIG_ARCH_TEGRA_114_SOC.
* Enable various PMIC and related options for Tegra114 platforms Dalmore
  and pluto: Palmas, TPS51362, TPS65090.
* Enable KEYBOARD_GPIO, mainly as a suspend wakeup source.
* Rebuild tegra_defconfig based on v3.9-rc1, hence picking up various
  move/remove changes, and removing some entries for now-default or
  selected options.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>